It’s the strangest job market the U.S. has ever seen. The low-hire, low-fire economy turns 3 years old.

The U.S. labor market has now spent three years in an unusual "low-hire, low-fire" state, a stretch that stands out from the job-creation engine the country has historically been known for. Rather than a wave of layoffs or a burst of hiring, employers have largely held staffing steady—adding few workers while also avoiding significant cuts. The result is a labor market that looks calm on the surface but offers limited movement underneath.

For markets, the key implication is what this means for the signals investors typically watch. A low-hire, low-fire economy can keep unemployment stable while reducing the pace of wage growth and job switching, both of which feed into inflation and Federal Reserve policy expectations. It also complicates the picture for anyone trying to read labor demand from headline payroll numbers alone.

What to watch from here is whether this equilibrium holds or breaks. A shift toward more hiring would suggest renewed demand; a shift toward more firing would signal deterioration. Either way, the durability of this three-year pattern is likely to stay relevant to how the broader economy and policy are assessed.